“I think with all these things it’s never one simple thing. If you look at our deficit to say Mercedes, you could say its 80 percent engine, probably 20 percent chassis. The solution is obviously our quickest way to increase performance is more power. Viry are working hard on that on Renault’s side, but the frustrating thing with the engine is it takes time. We’re obviously impatient to get performance on the car.

“We’re working with them behind the scenes, and time will tell. I think over the next two weeks they’ll have some interesting results for next year and later this year, which are crucial.”